top of the list of search results. that's called search engine optimizing. everybody engine pointing uses the same strategy for scamming. the major search engines are all on the look out for it but to keep your computer safe, keep your searches to trusted sites. when looking for news on a favorite celebrity, for example, stick to the established enter statement sites. avoid web address endings that don't look familiar. they could spell trouble and always keep antivirus and malware software up to date. >> that reminds me i can't remember the last time -- [ inaudible ] one of the best tools for fight malware is from a site called malwarebites.com t. can do a scan of your computer in eight minutes and weed out some of those dangers apps. >>> the time 16:48. time to find out the ant -- is 6:48. time to find out the answer to ow question. there is a study in britain that say people look younger when they do which one of these things? is it whiten your teeth, b, smile, or c, exercise. >> the answer to the question is b, smile. >> you can do it. just smile. >> what do you think? >>> a check